<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page, index) of pages" :key="index">
                <div class="icon"
                     v-for="item of page"
                     :key="item.id"
                >
                    <div class="icon-img">
                    <img class="icon-img-content" :src="item.imgUrl" >
                    </div>
                    <p class="icon-desc">{{ item.desc }}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div> 
</template>

<script>
export default {
    name: 'HomeIcons',
    props: {
        list: Array
    },
    data () {
        return {
            swiperOption: {
                autoplay: false
            }
        }
    },
    computed: {
        pages () {
            const pages = []
            this.list.forEach((item, index) => {
                const page = Math.floor(index / 8)
                if (!pages[page]) {
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages
        }
    },
}
</script>

<style lang="stylus" scoped>
@import '~styles/variables.styl'
@import '~styles/mixins.styl'
.icons >>> .swiper-container
    // overflow: hidden
    height: 0
    padding-bottom: 50%
    // background-color blue
.icons
    margin-top: .1rem 
    .icon
        position: relative
        overflow: hidden
        float: left 
        width: 25%
        padding-bottom: 25%
        // background-color red
        .icon-img
            position: absolute
            top: 0
            left: 0
            right: 0
            bottom: .44rem
            box-sizing: border-box
            padding: .1rem
            .icon-img-content
                display: block
                margin: 0 auto 
                height: 100%  
        .icon-desc
            position absolute
            left: 0
            right: 0
            bottom: 0
            height: .44rem
            line-height: .44rem
            text-align: center
            color: $darkTextColor
            ellipsis()
            // overflow hidden
            // white-space nowrap
            // text-overflow ellipsis
</style>
